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Mathematics Flashcards

7 cards from real TASC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Mathematics flashcards as text

  1. What is the value of 3x + 5 when x = 4?

    Answer: 17

    Substitute 4 for x: 3(4) + 5 = 12 + 5 = 17.

  2. A shirt costs $40 and is marked down 25%. What is the sale price?

    Answer: $30

    25% of $40 is $10, so $40 - $10 = $30.

  3. What is the slope of the line passing through (1, 2) and (3, 8)?

    Answer: 3

    Slope = (8 - 2)/(3 - 1) = 6/2 = 3.

  4. Which of the following is equivalent to 0.75?

    Answer: 3/4

    0.75 equals 75/100, which reduces to 3/4.

  5. What is the area of a triangle with base 10 and height 6?

    Answer: 30

    Area = (1/2)(base)(height) = (1/2)(10)(6) = 30.

  6. Solve for x: 2x - 7 = 11.

    Answer: 9

    Add 7 to both sides to get 2x = 18, then divide by 2 to get x = 9.

  7. What is the mean of the numbers 4, 8, 10, and 14?

    Answer: 9

    Sum is 36, divided by 4 values equals 9.